August weather forecast
Marshall, VA

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Weather in August

The last month of the summer, August, is another warm month in Marshall, Virginia, with an average temperature ranging between max 84.9°F (29.4°C) and min 64.6°F (18.1°C).

Temperature

The introduction of August notes a subtle temperature variation to a moderately hot 84.9°F (29.4°C) from July's 87.6°F (30.9°C). Marshall experiences an average low-temperature reading of 64.6°F (18.1°C) throughout August.

Heat index

In August, the heat index is appraised at a hot 93.2°F (34°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In August, the average relative humidity in Marshall is 74%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.27" (83mm) of precipitation.

Snowfall

June through October are months without snowfall in Marshall.

Daylight

In August, the average length of the day in Marshall is 13h and 38min.
On the first day of August in Marshall, sunrise is at 6:13 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:42 pm EDT.

Sunshine

In Marshall, the average sunshine in August is 10.2h.

UV index

The months with the highest UV index in Marshall are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

How hot is it in Marshall in August?

August temperatures vary between a high-temperature of 84.9°F (29.4°C) and a low-temperature of 64.6°F (18.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 93.2°F (34°C).

What is the average humidity in August in Marshall?

In Marshall, the average relative humidity in August is 74%.

What is the rainiest month in Marshall?

The month with the most rainfall in Marshall, Virginia, is August, when the rain falls for 16.8 days and typically aggregates up to 3.27" (83mm) of precipitation.

How many days does it rain in August in Marshall?

In Marshall, during August, the rain falls for 16.8 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Marshall?

June through October are months without snowfall in Marshall.

What is the average length of the day in August in Marshall?

In August, the average day length in Marshall, Virginia, is 13h and 38min.

When are sunrise and sunset in August in Marshall?

On the first day of August in Marshall, Virginia, sunrise is at 6:13 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:42 pm EDT.

How long on average sun shines in August in Marshall?

In August, the average sunshine duration in Marshall is 10.2h.

What is the month with the highest UV index in Marshall?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August in Marshall?

In Marshall, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Marshall, VA

Average temperature in August - Marshall, VA
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 64.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in August
Marshall, VA

Average pressure in August - Marshall, VA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Marshall, VA

Average wind speed in August - Marshall, VA
  • Average wind speed in August: 4.4mph

The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in August
Marshall, VA

Average humidity in August - Marshall, VA
  • Average humidity in August: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in August
Marshall, VA

Average rainfall in August - Marshall, VA
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Marshall, VA

Average rainfall days in August - Marshall, VA
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in August
Marshall, VA

Average snowfall in August - Marshall, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Marshall, VA

Average snowfall days in August - Marshall, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Marshall, VA

Average daylight in August / Average sunshine in August - Marshall, VA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in August
Marshall, VA

Average sunshine days in August - Marshall, VA
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in August
Marshall, VA

Average UV index in August - Marshall, VA
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Marshall, VA

Average cloud cover in August - Marshall, VA
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Marshall, VA

Average visibility in August - Marshall, VA
  • Average visibility in August: 6mi

The months with the highest visibility are January, March, April, June, July, August and November (6mi).
The months with the lowest visibility are February, May, September, October and December (5mi).

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Marshall, Virginia, USA

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